Add bandit telemetry support for opentelemetry-phoenix (#249)

* Add bandit telemetry support for opentelemetry-phoenix

---------

Co-authored-by: Bryan Naegele <bryannaegele@users.noreply.github.com>
This commit is contained in:
Artem Solomatin 2024-02-19 01:36:01 +03:00 committed by GitHub
parent b12a464b5f
commit 5658c54eb9
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18 changed files with 908 additions and 4 deletions

3
.github/labeler.yml vendored
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@ -85,6 +85,9 @@ opentelemetry_oban:
opentelemetry_phoenix: opentelemetry_phoenix:
- instrumentation/opentelemetry_phoenix/**/* - instrumentation/opentelemetry_phoenix/**/*
opentelemetry_bandit:
- instrumentation/opentelemetry_bandit/**/*
opentelemetry_process_propagator: opentelemetry_process_propagator:
- propagators/opentelemetry_process_propagator/**/* - propagators/opentelemetry_process_propagator/**/*

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@ -0,0 +1,11 @@
_extends: opentelemetry-erlang-contrib:.github/release-drafter.yml
name-template: 'Opentelemetry Bandit - v$RESOLVED_VERSION'
tag-template: 'opentelemetry-bandit-v$RESOLVED_VERSION'
tag-prefix: opentelemetry-bandit-v
include-paths:
- instrumentation/opentelemetry_bandit/
footer: |
---
[Changelog](https://$REPOSITORY/blob/main/instrumentation/opentelemetry_bandit/CHANGELOG.MD)

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@ -328,6 +328,45 @@ jobs:
- name: Test - name: Test
run: mix test run: mix test
opentelemetry-bandit:
needs: [test-matrix]
if: (contains(github.event.pull_request.labels.*.name, 'elixir') && contains(github.event.pull_request.labels.*.name, 'opentelemetry_bandit'))
env:
app: "opentelemetry_bandit"
defaults:
run:
working-directory: instrumentation/${{ env.app }}
runs-on: ${{ matrix.os }}
name: Opentelemetry Bandit test on Elixir ${{ matrix.elixir_version }} (OTP ${{ matrix.otp_version }})
strategy:
fail-fast: false
matrix: ${{ fromJson(needs.test-matrix.outputs.matrix) }}
steps:
- uses: actions/checkout@v4
- uses: erlef/setup-beam@v1
with:
version-type: strict
otp-version: ${{ matrix.otp_version }}
elixir-version: ${{ matrix.elixir_version }}
rebar3-version: ${{ matrix.rebar3_version }}
- name: Cache
uses: actions/cache@v3
with:
path: |
~/deps
~/_build
key: ${{ runner.os }}-build-${{ matrix.otp_version }}-${{ matrix.elixir_version }}-v3-${{ hashFiles('**/mix.lock') }}
- name: Fetch deps
if: steps.deps-cache.outputs.cache-hit != 'true'
run: mix deps.get
- name: Compile project
run: mix compile --warnings-as-errors
- name: Check formatting
run: mix format --check-formatted
if: matrix.check_formatted
- name: Test
run: mix test
opentelemetry-redix: opentelemetry-redix:
needs: [test-matrix] needs: [test-matrix]
if: (contains(github.event.pull_request.labels.*.name, 'elixir') && contains(github.event.pull_request.labels.*.name, 'opentelemetry_redix')) if: (contains(github.event.pull_request.labels.*.name, 'elixir') && contains(github.event.pull_request.labels.*.name, 'opentelemetry_redix'))

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@ -126,6 +126,16 @@ jobs:
env: env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
opentelemetry-bandit-release:
name: '[opentelemetry-bandit-release] Draft release'
runs-on: ubuntu-22.04
steps:
- uses: release-drafter/release-drafter@v5
with:
config-name: release-drafter-templates/opentelemetry-bandit.yml
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
opentelemetry-process-propagator-release: opentelemetry-process-propagator-release:
name: '[opentelemetry-process-propagator-release] Draft release' name: '[opentelemetry-process-propagator-release] Draft release'
runs-on: ubuntu-22.04 runs-on: ubuntu-22.04

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@ -0,0 +1,4 @@
# Used by "mix format"
[
inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]
]

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@ -0,0 +1,27 @@
# The directory Mix will write compiled artifacts to.
/_build/
# If you run "mix test --cover", coverage assets end up here.
/cover/
# The directory Mix downloads your dependencies sources to.
/deps/
# Where third-party dependencies like ExDoc output generated docs.
/doc/
# Ignore .fetch files in case you like to edit your project deps locally.
/.fetch
# If the VM crashes, it generates a dump, let's ignore it too.
erl_crash.dump
# Also ignore archive artifacts (built via "mix archive.build").
*.ez
# Ignore package tarball (built via "mix hex.build").
*.tar
# Temporary files, for example, from tests.
/tmp/
.DS_Store

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@ -0,0 +1,5 @@
# Changelog
## [0.1.4] - 2023-12-14
### Changed
- Prepare to the public release

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@ -0,0 +1,177 @@
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@ -0,0 +1,37 @@
# OpentelemetryBandit
[![EEF Observability WG project](https://img.shields.io/badge/EEF-Observability-black)](https://github.com/erlef/eef-observability-wg)
[![Hex.pm](https://img.shields.io/hexpm/v/opentelemetry_bandit)](https://hex.pm/packages/opentelemetry_bandit)
![Build Status](https://github.com/opentelemetry-beam/opentelemetry_bandit/workflows/Tests/badge.svg)
Telemetry handler that creates Opentelemetry spans from [Bandit events](https://hexdocs.pm/bandit/Bandit.Telemetry.html#content).
After installing, setup the handler in your application behaviour before your top-level supervisor starts.
```elixir
OpentelemetryBandit.setup()
```
When phoenix is used, setup telemetry this way:
```elixir
OpentelemetryBandit.setup()
OpentelemetryPhoenix.setup(adapter: :bandit)
```
## Compatibility Matrix
| OpentelemetryPhoenix Version | Otel Version | Notes |
| :--------------------------- | :----------- | :---- |
| | | |
| v0.1.4 | v1.0 | |
## Installation
```elixir
def deps do
[
{:opentelemetry_bandit, "~> 0.1.4"}
]
end
```

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@ -0,0 +1,7 @@
import Config
try do
import_config "#{Mix.env()}.exs"
rescue
_ -> :ok
end

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@ -0,0 +1,6 @@
import Config
config :opentelemetry,
processors: [{:otel_simple_processor, %{}}]
config :logger, level: :error

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@ -0,0 +1,177 @@
defmodule OpentelemetryBandit do
@moduledoc """
OpentelemetryBandit uses [telemetry](https://hexdocs.pm/telemetry/) handlers to create `OpenTelemetry` spans.
Supported:
1. :bandit, :request, :stop
2. :bandit, :request, :exception
3. :bandit, :websocket, :stop
"""
alias OpenTelemetry.SemanticConventions.Trace
require Trace
require OpenTelemetry.Tracer
@doc """
Initializes and configures the telemetry handlers.
"""
@spec setup(any) :: :ok
def setup(_opts \\ []) do
:telemetry.attach(
{__MODULE__, :request_stop},
[:bandit, :request, :stop],
&__MODULE__.handle_request_stop/4,
%{}
)
:telemetry.attach(
{__MODULE__, :request_exception},
[:bandit, :request, :exception],
&__MODULE__.handle_request_exception/4,
%{}
)
:telemetry.attach(
{__MODULE__, :websocket_stop},
[:bandit, :websocket, :stop],
&__MODULE__.handle_websocket_stop/4,
%{}
)
end
def handle_request_stop(_event, measurements, meta, _config) do
conn = Map.get(meta, :conn)
duration = measurements.duration
end_time = :opentelemetry.timestamp()
start_time = end_time - duration
url = extract_url(meta, conn)
request_path = extract_request_path(meta, conn)
attributes =
if Map.has_key?(meta, :error) do
%{
Trace.http_url() => url,
Trace.http_method() => meta.method,
Trace.net_transport() => :"IP.TCP",
Trace.http_response_content_length() => measurements.resp_body_bytes,
Trace.http_status_code() => meta.status
}
else
%{
Trace.http_url() => url,
Trace.http_client_ip() => client_ip(conn),
Trace.http_scheme() => conn.scheme,
Trace.net_peer_name() => conn.host,
Trace.net_peer_port() => conn.port,
Trace.http_target() => conn.request_path,
Trace.http_method() => meta.method,
Trace.http_status_code() => meta.status,
Trace.http_response_content_length() => measurements.resp_body_bytes,
Trace.net_transport() => :"IP.TCP",
Trace.http_user_agent() => user_agent(conn)
}
end
span_kind = if Map.has_key?(meta, :error), do: :error, else: :server
span_id = "HTTP #{meta.method} #{request_path}" |> String.trim()
OpenTelemetry.Tracer.start_span(span_id, %{
attributes: attributes,
start_time: start_time,
end_time: end_time,
kind: span_kind
})
|> set_span_status(meta, Map.get(meta, :error, ""))
|> OpenTelemetry.Span.end_span()
OpenTelemetry.Ctx.clear()
end
def handle_request_exception(_event, _measurements, meta, _config) do
OpenTelemetry.Tracer.start_span("HTTP exception #{inspect(meta.exception.__struct__)}", %{
kind: :error,
status: :error
})
|> set_span_status(meta, inspect(meta.stacktrace))
|> OpenTelemetry.Span.end_span()
OpenTelemetry.Ctx.clear()
end
def handle_websocket_stop(_event, measurements, meta, _config) do
duration = measurements.duration
end_time = :opentelemetry.timestamp()
start_time = end_time - duration
attributes = %{
:"websocket.recv.binary.frame.bytes" => Map.get(measurements, :send_binary_frame_bytes, 0),
:"websocket.send.binary.frame.bytes" => Map.get(measurements, :recv_binary_frame_bytes, 0),
Trace.net_transport() => :websocket
}
span_kind = if Map.has_key?(meta, :error), do: :error, else: :server
OpenTelemetry.Tracer.start_span("Websocket", %{
attributes: attributes,
start_time: start_time,
end_time: end_time,
kind: span_kind
})
|> set_span_status(meta, Map.get(meta, :error, ""))
|> OpenTelemetry.Span.end_span()
OpenTelemetry.Ctx.clear()
end
defp set_span_status(span, meta, message) do
status = if Map.has_key?(meta, :error) || message != "", do: :error, else: :ok
OpenTelemetry.Span.set_status(span, OpenTelemetry.status(status, message))
span
end
defp extract_url(%{error: _} = meta, _conn) do
case Map.get(meta, :request_target) do
nil -> ""
{scheme, host, port, path} -> build_url(scheme, host, port, path)
end
end
defp extract_url(_meta, conn) do
build_url(conn.scheme, conn.host, conn.port, conn.request_path)
end
defp extract_request_path(%{error: _} = meta, _conn) do
case Map.get(meta, :request_target) do
nil -> ""
{_, _, _, path} -> path || ""
end
end
defp extract_request_path(_meta, conn) do
conn.request_path
end
defp build_url(scheme, host, port, path), do: "#{scheme}://#{host}:#{port}#{path}"
defp user_agent(conn) do
case Plug.Conn.get_req_header(conn, "user-agent") do
[] -> ""
[head | _] -> head
end
end
defp client_ip(%{remote_ip: remote_ip} = conn) do
case Plug.Conn.get_req_header(conn, "x-forwarded-for") do
[] ->
remote_ip
|> :inet_parse.ntoa()
|> to_string()
[ip_address | _] ->
ip_address
end
end
end

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defmodule OpentelemetryBandit.MixProject do
use Mix.Project
@version "0.1.4"
def project do
[
app: :opentelemetry_bandit,
version: @version,
elixir: "~> 1.14",
aliases: aliases(),
start_permanent: Mix.env() == :prod,
description: description(),
package: package(),
elixirc_paths: elixirc_path(Mix.env()),
deps: deps(),
test_coverage: [tool: ExCoveralls],
preferred_cli_env: [
coveralls: :test,
"coveralls.detail": :test,
"coveralls.post": :test,
"coveralls.html": :test,
"coveralls.cobertura": :test
],
docs: [
main: "readme",
extras: ["README.md"]
]
]
end
# Run "mix help compile.app" to learn about applications.
def application do
[
extra_applications: [:logger]
]
end
defp description do
"""
Telemetry handler that creates Opentelemetry spans from Bandit events.
"""
end
defp package do
[
files: ~w(lib .formatter.exs mix.exs LICENSE* README* CHANGELOG*),
maintainers: ["Artem Solomatin"],
licenses: ["Apache-2.0"],
links: %{
"GitHub" =>
"https://github.com/open-telemetry/opentelemetry-erlang-contrib/tree/main/instrumentation/opentelemetry_bandit",
"OpenTelemetry Erlang" => "https://github.com/open-telemetry/opentelemetry-erlang",
"OpenTelemetry Erlang Contrib" =>
"https://github.com/open-telemetry/opentelemetry-erlang-contrib",
"OpenTelemetry.io" => "https://opentelemetry.io"
}
]
end
defp elixirc_path(:test), do: ["lib/", "test/support"]
defp elixirc_path(_), do: ["lib/"]
# Run "mix help deps" to learn about dependencies.
defp deps do
[
{:opentelemetry_api, "~> 1.2"},
{:opentelemetry_semantic_conventions, "~> 0.2"},
{:opentelemetry_telemetry, "~> 1.0"},
{:plug, ">= 1.15.0"},
{:telemetry, "~> 1.2"},
# dev dependencies
{:ex_doc, ">= 0.0.0", only: :dev, runtime: false},
{:excoveralls, "~> 0.18", only: :test},
{:bandit, "~> 1.0", only: [:dev, :test], runtime: false},
{:dialyxir, "~> 1.4", only: [:dev, :test], runtime: false},
{:opentelemetry, "~> 1.0", only: [:dev, :test]},
{:opentelemetry_exporter, "~> 1.0", only: [:dev, :test]},
{:req, "~> 0.3", only: [:dev, :test]}
]
end
defp aliases do
["test.coverage": ["coveralls.cobertura"]]
end
end

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%{
"acceptor_pool": {:hex, :acceptor_pool, "1.0.0", "43c20d2acae35f0c2bcd64f9d2bde267e459f0f3fd23dab26485bf518c281b21", [:rebar3], [], "hexpm", "0cbcd83fdc8b9ad2eee2067ef8b91a14858a5883cb7cd800e6fcd5803e158788"},
"bandit": {:hex, :bandit, "1.0.0", "2bd87bbf713d0eed0090f2fa162cd1676198122e6c2b68a201c706e354a6d5e5", [:mix], [{:hpax, "~> 0.1.1", [hex: :hpax, repo: "hexpm", optional: false]}, {:plug, "~> 1.14", [hex: :plug, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:thousand_island, "~> 1.0", [hex: :thousand_island, repo: "hexpm", optional: false]}, {:websock, "~> 0.5", [hex: :websock, repo: "hexpm", optional: false]}], "hexpm", "32acf6ac030fee1f99fd9c3fcf81671911ae8637e0a61c98111861b466efafdb"},
"castore": {:hex, :castore, "1.0.4", "ff4d0fb2e6411c0479b1d965a814ea6d00e51eb2f58697446e9c41a97d940b28", [:mix], [], "hexpm", "9418c1b8144e11656f0be99943db4caf04612e3eaecefb5dae9a2a87565584f8"},
"chatterbox": {:hex, :ts_chatterbox, "0.13.0", "6f059d97bcaa758b8ea6fffe2b3b81362bd06b639d3ea2bb088335511d691ebf", [:rebar3], [{:hpack, "~> 0.2.3", [hex: :hpack_erl, repo: "hexpm", optional: false]}], "hexpm", "b93d19104d86af0b3f2566c4cba2a57d2e06d103728246ba1ac6c3c0ff010aa7"},
"ctx": {:hex, :ctx, "0.6.0", "8ff88b70e6400c4df90142e7f130625b82086077a45364a78d208ed3ed53c7fe", [:rebar3], [], "hexpm", "a14ed2d1b67723dbebbe423b28d7615eb0bdcba6ff28f2d1f1b0a7e1d4aa5fc2"},
"dialyxir": {:hex, :dialyxir, "1.4.1", "a22ed1e7bd3a3e3f197b68d806ef66acb61ee8f57b3ac85fc5d57354c5482a93", [:mix], [{:erlex, ">= 0.2.6", [hex: :erlex, repo: "hexpm", optional: false]}], "hexpm", "84b795d6d7796297cca5a3118444b80c7d94f7ce247d49886e7c291e1ae49801"},
"earmark_parser": {:hex, :earmark_parser, "1.4.39", "424642f8335b05bb9eb611aa1564c148a8ee35c9c8a8bba6e129d51a3e3c6769", [:mix], [], "hexpm", "06553a88d1f1846da9ef066b87b57c6f605552cfbe40d20bd8d59cc6bde41944"},
"erlex": {:hex, :erlex, "0.2.6", "c7987d15e899c7a2f34f5420d2a2ea0d659682c06ac607572df55a43753aa12e", [:mix], [], "hexpm", "2ed2e25711feb44d52b17d2780eabf998452f6efda104877a3881c2f8c0c0c75"},
"ex_doc": {:hex, :ex_doc, "0.31.0", "06eb1dfd787445d9cab9a45088405593dd3bb7fe99e097eaa71f37ba80c7a676", [:mix], [{:earmark_parser, "~> 1.4.39", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.1", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "5350cafa6b7f77bdd107aa2199fe277acf29d739aba5aee7e865fc680c62a110"},
"excoveralls": {:hex, :excoveralls, "0.18.0", "b92497e69465dc51bc37a6422226ee690ab437e4c06877e836f1c18daeb35da9", [:mix], [{:castore, "~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "1109bb911f3cb583401760be49c02cbbd16aed66ea9509fc5479335d284da60b"},
"finch": {:hex, :finch, "0.16.0", "40733f02c89f94a112518071c0a91fe86069560f5dbdb39f9150042f44dcfb1a", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: false]}, {:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.3", [hex: :mint, repo: "hexpm", optional: false]}, {:nimble_options, "~> 0.4 or ~> 1.0", [hex: :nimble_options, repo: "hexpm", optional: false]}, {:nimble_pool, "~> 0.2.6 or ~> 1.0", [hex: :nimble_pool, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "f660174c4d519e5fec629016054d60edd822cdfe2b7270836739ac2f97735ec5"},
"gproc": {:hex, :gproc, "0.8.0", "cea02c578589c61e5341fce149ea36ccef236cc2ecac8691fba408e7ea77ec2f", [:rebar3], [], "hexpm", "580adafa56463b75263ef5a5df4c86af321f68694e7786cb057fd805d1e2a7de"},
"grpcbox": {:hex, :grpcbox, "0.16.0", "b83f37c62d6eeca347b77f9b1ec7e9f62231690cdfeb3a31be07cd4002ba9c82", [:rebar3], [{:acceptor_pool, "~> 1.0.0", [hex: :acceptor_pool, repo: "hexpm", optional: false]}, {:chatterbox, "~> 0.13.0", [hex: :ts_chatterbox, repo: "hexpm", optional: false]}, {:ctx, "~> 0.6.0", [hex: :ctx, repo: "hexpm", optional: false]}, {:gproc, "~> 0.8.0", [hex: :gproc, repo: "hexpm", optional: false]}], "hexpm", "294df743ae20a7e030889f00644001370a4f7ce0121f3bbdaf13cf3169c62913"},
"hpack": {:hex, :hpack_erl, "0.2.3", "17670f83ff984ae6cd74b1c456edde906d27ff013740ee4d9efaa4f1bf999633", [:rebar3], [], "hexpm", "06f580167c4b8b8a6429040df36cc93bba6d571faeaec1b28816523379cbb23a"},
"hpax": {:hex, :hpax, "0.1.2", "09a75600d9d8bbd064cdd741f21fc06fc1f4cf3d0fcc335e5aa19be1a7235c84", [:mix], [], "hexpm", "2c87843d5a23f5f16748ebe77969880e29809580efdaccd615cd3bed628a8c13"},
"jason": {:hex, :jason, "1.4.1", "af1504e35f629ddcdd6addb3513c3853991f694921b1b9368b0bd32beb9f1b63", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "fbb01ecdfd565b56261302f7e1fcc27c4fb8f32d56eab74db621fc154604a7a1"},
"makeup": {:hex, :makeup, "1.1.1", "fa0bc768698053b2b3869fa8a62616501ff9d11a562f3ce39580d60860c3a55e", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "5dc62fbdd0de44de194898b6710692490be74baa02d9d108bc29f007783b0b48"},
"makeup_elixir": {:hex, :makeup_elixir, "0.16.1", "cc9e3ca312f1cfeccc572b37a09980287e243648108384b97ff2b76e505c3555", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "e127a341ad1b209bd80f7bd1620a15693a9908ed780c3b763bccf7d200c767c6"},
"makeup_erlang": {:hex, :makeup_erlang, "0.1.3", "d684f4bac8690e70b06eb52dad65d26de2eefa44cd19d64a8095e1417df7c8fd", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "b78dc853d2e670ff6390b605d807263bf606da3c82be37f9d7f68635bd886fc9"},
"mime": {:hex, :mime, "2.0.5", "dc34c8efd439abe6ae0343edbb8556f4d63f178594894720607772a041b04b02", [:mix], [], "hexpm", "da0d64a365c45bc9935cc5c8a7fc5e49a0e0f9932a761c55d6c52b142780a05c"},
"mint": {:hex, :mint, "1.5.1", "8db5239e56738552d85af398798c80648db0e90f343c8469f6c6d8898944fb6f", [:mix], [{:castore, "~> 0.1.0 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:hpax, "~> 0.1.1", [hex: :hpax, repo: "hexpm", optional: false]}], "hexpm", "4a63e1e76a7c3956abd2c72f370a0d0aecddc3976dea5c27eccbecfa5e7d5b1e"},
"nimble_options": {:hex, :nimble_options, "1.0.2", "92098a74df0072ff37d0c12ace58574d26880e522c22801437151a159392270e", [:mix], [], "hexpm", "fd12a8db2021036ce12a309f26f564ec367373265b53e25403f0ee697380f1b8"},
"nimble_parsec": {:hex, :nimble_parsec, "1.4.0", "51f9b613ea62cfa97b25ccc2c1b4216e81df970acd8e16e8d1bdc58fef21370d", [:mix], [], "hexpm", "9c565862810fb383e9838c1dd2d7d2c437b3d13b267414ba6af33e50d2d1cf28"},
"nimble_pool": {:hex, :nimble_pool, "1.0.0", "5eb82705d138f4dd4423f69ceb19ac667b3b492ae570c9f5c900bb3d2f50a847", [:mix], [], "hexpm", "80be3b882d2d351882256087078e1b1952a28bf98d0a287be87e4a24a710b67a"},
"opentelemetry": {:hex, :opentelemetry, "1.3.1", "f0a342a74379e3540a634e7047967733da4bc8b873ec9026e224b2bd7369b1fc", [:rebar3], [{:opentelemetry_api, "~> 1.2.2", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}, {:opentelemetry_semantic_conventions, "~> 0.2", [hex: :opentelemetry_semantic_conventions, repo: "hexpm", optional: false]}], "hexpm", "de476b2ac4faad3e3fe3d6e18b35dec9cb338c3b9910c2ce9317836dacad3483"},
"opentelemetry_api": {:hex, :opentelemetry_api, "1.2.2", "693f47b0d8c76da2095fe858204cfd6350c27fe85d00e4b763deecc9588cf27a", [:mix, :rebar3], [{:opentelemetry_semantic_conventions, "~> 0.2", [hex: :opentelemetry_semantic_conventions, repo: "hexpm", optional: false]}], "hexpm", "dc77b9a00f137a858e60a852f14007bb66eda1ffbeb6c05d5fe6c9e678b05e9d"},
"opentelemetry_exporter": {:hex, :opentelemetry_exporter, "1.6.0", "f4fbf69aa9f1541b253813221b82b48a9863bc1570d8ecc517bc510c0d1d3d8c", [:rebar3], [{:grpcbox, ">= 0.0.0", [hex: :grpcbox, repo: "hexpm", optional: false]}, {:opentelemetry, "~> 1.3", [hex: :opentelemetry, repo: "hexpm", optional: false]}, {:opentelemetry_api, "~> 1.2", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}, {:tls_certificate_check, "~> 1.18", [hex: :tls_certificate_check, repo: "hexpm", optional: false]}], "hexpm", "1802d1dca297e46f21e5832ecf843c451121e875f73f04db87355a6cb2ba1710"},
"opentelemetry_semantic_conventions": {:hex, :opentelemetry_semantic_conventions, "0.2.0", "b67fe459c2938fcab341cb0951c44860c62347c005ace1b50f8402576f241435", [:mix, :rebar3], [], "hexpm", "d61fa1f5639ee8668d74b527e6806e0503efc55a42db7b5f39939d84c07d6895"},
"opentelemetry_telemetry": {:hex, :opentelemetry_telemetry, "1.0.0", "d5982a319e725fcd2305b306b65c18a86afdcf7d96821473cf0649ff88877615", [:mix, :rebar3], [{:opentelemetry_api, "~> 1.0", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}, {:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}, {:telemetry_registry, "~> 0.3.0", [hex: :telemetry_registry, repo: "hexpm", optional: false]}], "hexpm", "3401d13a1d4b7aa941a77e6b3ec074f0ae77f83b5b2206766ce630123a9291a9"},
"plug": {:hex, :plug, "1.15.1", "b7efd81c1a1286f13efb3f769de343236bd8b7d23b4a9f40d3002fc39ad8f74c", [:mix], [{:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:plug_crypto, "~> 1.1.1 or ~> 1.2 or ~> 2.0", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4.3 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "459497bd94d041d98d948054ec6c0b76feacd28eec38b219ca04c0de13c79d30"},
"plug_crypto": {:hex, :plug_crypto, "2.0.0", "77515cc10af06645abbfb5e6ad7a3e9714f805ae118fa1a70205f80d2d70fe73", [:mix], [], "hexpm", "53695bae57cc4e54566d993eb01074e4d894b65a3766f1c43e2c61a1b0f45ea9"},
"req": {:hex, :req, "0.4.4", "a17b6bec956c9af4f08b5d8e8a6fc6e4edf24ccc0ac7bf363a90bba7a0f0138c", [:mix], [{:brotli, "~> 0.3.1", [hex: :brotli, repo: "hexpm", optional: true]}, {:ezstd, "~> 1.0", [hex: :ezstd, repo: "hexpm", optional: true]}, {:finch, "~> 0.9", [hex: :finch, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:mime, "~> 1.6 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:nimble_csv, "~> 1.0", [hex: :nimble_csv, repo: "hexpm", optional: true]}, {:plug, "~> 1.0", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm", "2618c0493444fee927d12073afb42e9154e766b3f4448e1011f0d3d551d1a011"},
"ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.7", "354c321cf377240c7b8716899e182ce4890c5938111a1296add3ec74cf1715df", [:make, :mix, :rebar3], [], "hexpm", "fe4c190e8f37401d30167c8c405eda19469f34577987c76dde613e838bbc67f8"},
"telemetry": {:hex, :telemetry, "1.2.1", "68fdfe8d8f05a8428483a97d7aab2f268aaff24b49e0f599faa091f1d4e7f61c", [:rebar3], [], "hexpm", "dad9ce9d8effc621708f99eac538ef1cbe05d6a874dd741de2e689c47feafed5"},
"telemetry_registry": {:hex, :telemetry_registry, "0.3.1", "14a3319a7d9027bdbff7ebcacf1a438f5f5c903057b93aee484cca26f05bdcba", [:mix, :rebar3], [{:telemetry, "~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "6d0ca77b691cf854ed074b459a93b87f4c7f5512f8f7743c635ca83da81f939e"},
"thousand_island": {:hex, :thousand_island, "1.0.0", "63fc8807d8607c9d74fa670996897c8c8a1f2022c8c68d024182e45249acd756", [:mix], [{:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "996320c72ba8f34d7be9b02900622e44341649f24359e0f67643e4dda8f23995"},
"tls_certificate_check": {:hex, :tls_certificate_check, "1.20.0", "1ac0c53f95e201feb8d398ef9d764ae74175231289d89f166ba88a7f50cd8e73", [:rebar3], [{:ssl_verify_fun, "~> 1.1", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}], "hexpm", "ab57b74b1a63dc5775650699a3ec032ec0065005eff1f020818742b7312a8426"},
"websock": {:hex, :websock, "0.5.3", "2f69a6ebe810328555b6fe5c831a851f485e303a7c8ce6c5f675abeb20ebdadc", [:mix], [], "hexpm", "6105453d7fac22c712ad66fab1d45abdf049868f253cf719b625151460b8b453"},
}

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@ -0,0 +1,245 @@
defmodule OpentelemetryBanditTest do
use ExUnit.Case, async: true
require OpenTelemetry.Tracer
require OpenTelemetry.Span
require Record
use ServerHelper
for {name, spec} <- Record.extract_all(from_lib: "opentelemetry/include/otel_span.hrl") do
Record.defrecord(name, spec)
end
describe "http integration" do
test "default span generation for 200" do
Req.get("http://localhost:4000/hello")
assert_receive {:span,
span(
name: "HTTP GET /hello",
kind: :server,
status: {:status, :ok, _},
attributes: attributes
)}
assert %{
"net.peer.name": "localhost",
"http.method": "GET",
"http.target": "/hello",
"http.scheme": :http,
"http.status_code": 200
} = :otel_attributes.map(attributes)
end
test "default span generation for 200 without user-agent" do
{:ok, {{_, 200, _}, _, _}} =
:httpc.request(:get, {~c"http://localhost:4000/hello", []}, [], [])
assert_receive {:span,
span(
name: "HTTP GET /hello",
kind: :server,
status: {:status, :ok, _},
attributes: attributes
)}
assert %{
"net.peer.name": "localhost",
"http.method": "GET",
"http.target": "/hello",
"http.scheme": :http,
"http.status_code": 200,
"http.client_ip": "127.0.0.1"
} = :otel_attributes.map(attributes)
end
test "default span generation for 200 with x-forwarded-for" do
Req.get("http://localhost:4000/hello", headers: %{x_forwarded_for: "127.0.0.1"})
assert_receive {:span,
span(
name: "HTTP GET /hello",
kind: :server,
status: {:status, :ok, _},
attributes: attributes
)}
assert %{
"net.peer.name": "localhost",
"http.method": "GET",
"http.target": "/hello",
"http.scheme": :http,
"http.status_code": 200,
"http.client_ip": "127.0.0.1"
} = :otel_attributes.map(attributes)
end
test "default span generation for halted connection" do
Req.get("http://localhost:4000/fail", retry: false)
assert_receive {:span,
span(
name: "HTTP GET /fail",
kind: :server,
status: {:status, :ok, _},
attributes: attributes
)}
assert %{
"net.peer.name": "localhost",
"http.method": "GET",
"http.target": "/fail",
"http.scheme": :http,
"http.status_code": 500
} = :otel_attributes.map(attributes)
end
test "default span generation for 500 response" do
:telemetry.execute(
[:bandit, :request, :stop],
%{duration: 444, resp_body_bytes: 10},
%{
conn: nil,
status: 500,
error: "Internal Server Error",
method: "GET",
request_target: {nil, nil, nil, "/not_existing_route"}
}
)
assert_receive {:span,
span(
name: "HTTP GET /not_existing_route",
kind: :error,
status: {:status, :error, "Internal Server Error"},
attributes: attributes
)}
assert %{
"http.url": _,
"http.method": "GET",
"http.status_code": 500,
"http.response_content_length": 10,
"net.transport": :"IP.TCP"
} = :otel_attributes.map(attributes)
end
test "span when request_target is empty" do
:telemetry.execute(
[:bandit, :request, :stop],
%{duration: 444, resp_body_bytes: 10},
%{
conn: nil,
status: 500,
error: "Internal Server Error",
method: "GET",
request_target: nil
}
)
assert_receive {:span,
span(
name: "HTTP GET",
kind: :error,
status: {:status, :error, "Internal Server Error"},
attributes: attributes
)}
assert %{
"http.url": _,
"http.method": "GET",
"http.status_code": 500,
"http.response_content_length": 10,
"net.transport": :"IP.TCP"
} = :otel_attributes.map(attributes)
end
test "exception catch span" do
Req.get("http://localhost:4000/exception", retry: false)
assert_receive {:span,
span(
name: "HTTP exception RuntimeError",
kind: :error,
status: {:status, :error, _}
)}
end
end
describe "websocket integration" do
test "span when request finished successfully" do
:telemetry.execute(
[:bandit, :websocket, :stop],
%{
duration: 444,
send_binary_frame_bytes: 10,
recv_binary_frame_bytes: 15
},
%{}
)
assert_receive {:span,
span(
name: "Websocket",
kind: :server,
status: {:status, :ok, _},
attributes: attributes
)}
assert %{
"net.transport": :websocket,
"websocket.recv.binary.frame.bytes": 10,
"websocket.send.binary.frame.bytes": 15
} = :otel_attributes.map(attributes)
end
test "span when error is set" do
:telemetry.execute(
[:bandit, :websocket, :stop],
%{
duration: 444,
send_binary_frame_bytes: 10,
recv_binary_frame_bytes: 15
},
%{error: "Internal Server Error"}
)
assert_receive {:span,
span(
name: "Websocket",
kind: :error,
status: {:status, :error, _},
attributes: attributes
)}
assert %{
"net.transport": :websocket,
"websocket.recv.binary.frame.bytes": 10,
"websocket.send.binary.frame.bytes": 15
} = :otel_attributes.map(attributes)
end
end
setup do
:otel_simple_processor.set_exporter(:otel_exporter_pid, self())
{:ok, _} = start_supervised({Bandit, plug: __MODULE__, port: 4000, startup_log: false})
OpentelemetryBandit.setup()
:ok
end
def hello(conn) do
conn |> send_resp(200, "OK")
end
def fail(conn) do
conn |> send_resp(500, "Internal Server Error") |> halt()
end
def exception(_conn) do
raise "boom"
end
end

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@ -0,0 +1,18 @@
defmodule ServerHelper do
defmacro __using__(_) do
quote location: :keep do
import Plug.Conn
def init(opts) do
opts
end
def call(conn, []) do
function = String.to_atom(List.first(conn.path_info))
apply(__MODULE__, function, [conn])
end
defoverridable init: 1, call: 2
end
end
end

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@ -0,0 +1 @@
ExUnit.start()

View File

@ -6,7 +6,7 @@ defmodule OpentelemetryPhoenix do
doc: "The endpoint prefix in your endpoint." doc: "The endpoint prefix in your endpoint."
], ],
adapter: [ adapter: [
type: {:in, [:cowboy2, nil]}, type: {:in, [:cowboy2, :bandit, nil]},
default: nil, default: nil,
doc: "The phoenix server adapter being used.", doc: "The phoenix server adapter being used.",
type_doc: ":atom" type_doc: ":atom"
@ -32,8 +32,6 @@ defmodule OpentelemetryPhoenix do
span from being started and the existing cowboy span to be continued. This is the recommended span from being started and the existing cowboy span to be continued. This is the recommended
setup for measuring accurate latencies. setup for measuring accurate latencies.
`Bandit.PhoenixAdapter` is not currently supported.
## Usage ## Usage
In your application start: In your application start:
@ -69,7 +67,7 @@ defmodule OpentelemetryPhoenix do
@type endpoint_prefix :: {:endpoint_prefix, [atom()]} @type endpoint_prefix :: {:endpoint_prefix, [atom()]}
@typedoc "The phoenix server adapter being used. Optional" @typedoc "The phoenix server adapter being used. Optional"
@type adapter :: {:adapter, :cowboy2 | term()} @type adapter :: {:adapter, :cowboy2 | :bandit | term()}
@doc """ @doc """
Initializes and configures the telemetry handlers. Initializes and configures the telemetry handlers.
@ -162,6 +160,9 @@ defmodule OpentelemetryPhoenix do
:cowboy2 -> :cowboy2 ->
cowboy2_start() cowboy2_start()
:bandit ->
bandit_start()
_ -> _ ->
default_start(meta) default_start(meta)
end end
@ -172,6 +173,11 @@ defmodule OpentelemetryPhoenix do
|> OpenTelemetry.Ctx.attach() |> OpenTelemetry.Ctx.attach()
end end
defp bandit_start() do
OpentelemetryProcessPropagator.fetch_parent_ctx()
|> OpenTelemetry.Ctx.attach()
end
defp default_start(meta) do defp default_start(meta) do
%{conn: conn} = meta %{conn: conn} = meta
:otel_propagator_text_map.extract(conn.req_headers) :otel_propagator_text_map.extract(conn.req_headers)
@ -209,6 +215,9 @@ defmodule OpentelemetryPhoenix do
:cowboy2 -> :cowboy2 ->
:ok :ok
:bandit ->
:ok
_ -> _ ->
default_stop(meta) default_stop(meta)
end end